ERT will read the historic rates from the <b>Schedule file</b>, but it is also possible to use historic data from another ECLIPSE run (e.g if historic data do not exist in the Schedule file).
<dl>
<dt><b>SCHEDULE</b>
<dd>ERT will use the historic data provided in the Schedule file.
<dt><b>REFCASE_SIMULATED</b>
<dd>ERT will use simulated values from another ECLIPSE run (a Reference case) as historic data.
<dt><b>REFCASE_HISTORY</b>
<dd>ERT will use historic data from a reference case.
</dl>
